Sergey Ovsyannikov
No alias recorded
Pleaded guilty
Public record reviewed to August 23, 2026
Index entry last updated August 23, 2026
No role for this person is stated in the public record.
A conviction or guilty plea is recorded in this entry.
Everything on this page comes from cited public sources.
This entry records 1 action across 1 takedown, each traced to a cited source. At least one linked takedown was added in the extended pass and was not independently source verified. Where the record is silent, this page says so rather than filling the gap.
Legal summary
- Associated takedowns
- 3ve ad-fraud botnet disruption
- Recorded role
- Role not stated
- Group segment
- Core operator
- Charging authority
- Not recorded
- Charging jurisdiction
- Not recorded
- Case number
- 18-CR-633 (ERK)
- Latest recorded action
- Pleaded guilty, September 2019
- Nationality
- Kazakhstan
- Country of residence
- Not established
Legal history
Every step recorded in the public legal record for this person, in the order it happened.
These entries describe procedure only. Nothing here establishes guilt, and a charge remains an allegation until a court rules.
-
September 24, 2019
Pleaded guilty in Brooklyn, New York, US, recorded by United States District Court for the Eastern District of New York.
Court cases
Court cases in which this person is named. Being named in a case is not a finding of guilt. Charges are accusations only.
No court case in this index names this person. That is a gap in the record, not a finding about this person.